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101. STScI NICMOS Software
Next: NICMOS Science Up: NICMOS Data Calibration and Previous: NICMOS Software at the . ... Reference File Tools . Image Analysis and Reduction . ... These include the tasks used in the STScI pipeline, tools to generate the reference files used by the calibration pipeline tasks, and general image analysis, manipulation, and arithmetic tasks. ... Calnica is used to apply instrumental calibrations to individual datasets, while calnicb is used to process associated sets of NICMOS images. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node17.html -- 9.7 Кб -- 12.06.2006
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102. A Coronagraphic Search for Substellar Companions to Young Stars
Next: The Stellar Population in Up: NICMOS Science Previous: NICMOS Coronagraphic Surveys-Preliminary Results . ... Searching around young stars . ... We are using NICMOS to search for very low-mass stellar and sub-stellar companions around nearby, young, main-sequence stars. ... NICMOS, coronagraph, young stars, brown dwarfs . ... We present images of a possible companion, probably a low-mass M star, to the star HD102982 which demonstrates our ability to detect substellar objects. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node20.html -- 21.5 Кб -- 12.06.2006
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103. Unusual Emission near a Compact Source in Orion
... One striking feature is a small source of almost pure H 2 line emission, which is located near one of the compact sources in Orion reported by O'Dell and collaborators (HST-18 = 203-504). ... H-H objects, Proplyds, Orion Bar, H 2 . ... We obtained a series of images across the bright rim of the Orion Bar near the peaks of mm-wave molecular line emission with NICMOS cameras 1-3 (NIC1, NIC2, NIC3) in several filters on 1998 February 18. ... The suggestion of an H-H object does not seem compelling. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node23.html -- 19.0 Кб -- 12.06.2006
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104. Preface
... On May 26 & 27, 1998, about 50 participants met for the workshop ``NICMOS and the VLT'' in Pula, Sardinia, Italy. ... The workshop took place at a time when the expected remaining lifetime of NICMOS was about 7 months, and the first call for proposals for VLT was about 3 month away. The timeliness of the workshop was underlined by the fact that first light for the VLT occurred in the midst of this meeting, which has not been anticipated at the time the date for the workshop was set. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node1.html -- 6.5 Кб -- 12.06.2006
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105. Photometric Performance of NICMOS
Next: The Photometric Performance of Up: NICMOS Data Calibration and Previous: Status and Goals of . ... Absolute Spectrophotometric Standards . Absolute Photometry . ... Velocity shifts and Photometry with Narrow-band Filters . ... HST, NICMOS, near-infrared, standards, photometry, calibration . ... In practice NICMOS does not have a set of filters matching any of the standard ground-based photometric bands and this poses a challenge when trying to achieve precise absolute photometry. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node11.html -- 33.3 Кб -- 12.06.2006
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106. ST-ECF Grism Spectrum Software for NICMOS Grism Data
Next: Imaging Polarimetry with NICMOS Up: NICMOS Data Calibration and Previous: The Photometric Performance of . ... NICMOSlook and Calnic C . ... Extracting spectra from a large number of NICMOS grism images requires a convenient interactive tool which allows a user to manipulate direct/grism image pairs. ... NICMOSlook and Calnic-C are two programs that were designed to take advantage of the fact that the NICMOS grism mode typically consists of taking both a direct and a grism image. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node13.html -- 16.5 Кб -- 12.06.2006
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107. A Color Analysis of NICMOS Parallel Observations
... The NICMOS Parallel Program . Analysis . ... NICMOS observations made in parallel with the other HST instruments have produced an archive of over 2,000 images, covering a wide range of Galactic latitudes. ... The maximum sensitivity of these images is approximately 0.1 Jy, which should allow the detection of such astrophysically interesting sources as brown dwarfs in the solar neighborhood and star-forming galaxies out to z 3. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node28.html -- 19.5 Кб -- 12.06.2006
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108. Participants
... Almudena Alonso-Herrero , University of Arizona, Steward Observatory, 933 N. Cherry Avenue, Tucson, AZ 85721, USA (aalonso@as.arizona.edu) . ... 2, D-85748 Garching, Germany (pbenvenu@eso.org) . ... Howard Bushouse , Space Telescope Science Institute, Science Software Group, 3700 San Martin Drive, Baltimore, MD 21218, USA (bushouse@stsci.edu) . Luis Colina , Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA (colina@stsci.edu) . ...
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Ссылки http://www.stecf.org/conferences/sardinia/node3.html -- 10.1 Кб -- 12.06.2006
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109. HST/NICMOS Observations of the Interacting System Arp 299
Next: NICMOS Camera 3 Parallel Up: NICMOS Science Previous: HST-NICMOS Observations of Galactic . ... Observations . ... Arp 299 (IC 694 + NGC 3690) is one of the nearest examples of interacting galaxies with a high infrared (IR) luminosity ( , for the assumed distance Mpc), close to the limiting value for ultraluminous IR galaxies. We present HST /NICMOS observations taken with all three cameras. ... We have presented HST /NICMOS observations of the interacting system Arp 299 (IC 694 + NGC 3690). ...
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Ссылки http://www.stecf.org/conferences/sardinia/node31.html -- 33.3 Кб -- 12.06.2006
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110. Future Technology
Next: Design and Status of Up: No Title Previous: Limits on the Star . Design and Status of the NICMOS Cryocooler . ... Extending the NICMOS Lifetime . ... Expected NICMOS Performance after HST Servicing Mission 3 . NICMOS Cooling System Design . ... Creare Cryocooler . Power Conversion Electronics . Electronics Support Module . Aft-Shroud Cooling System . ... 2048 x 2048 HgCdTe Arrays for Astronomy at Visible and Infrared Wavelengths . ... Hybridization of 2048 x 2048 Arrays . ...
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Ссылки http://www.stecf.org/conferences/sardinia/node37.html -- 5.7 Кб -- 12.06.2006
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111. 2048 x 2048 HgCdTe Arrays for Astronomy at Visible and Infrared Wavelengths
... 1 - 5 m HgCdTe Detector Material . Hybridization of 2048 x 2048 Arrays . ... Options for Extension to Visible Wavelengths . ... MBE HgCdTe Capability at Rockwell Science Center . ... Over the last two decades, dramatic improvements in the performance of 1 - 5 m infrared detector materials combined with the leap from single detectors to million pixel arrays have led to a billion-fold improvement in our ability to observe astronomical sources at these wavelengths. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node39.html -- 35.2 Кб -- 12.06.2006
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112. About this document ...
. Up: No Title Previous: Index . This document was generated using the LaTeX 2 HTML translator Version 98.1 release (February 19th, 1998) . Copyright © 1993, 1994, 1995, 1996, 1997, Nikos Drakos , Computer Based Learning Unit, University of Leeds. The command line arguments were: . latex2html -split 3 -link 3 nicmosvlt . The translation was initiated by Norbert Pirzkal on 1998-07-09 . Norbert Pirzkal . 1998-07-09
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Ссылки http://www.stecf.org/conferences/sardinia/node41.html -- 3.3 Кб -- 12.06.2006
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113. The STScI NICMOS Calibration Pipeline
Next: Status and Goals of Up: NICMOS Data Calibration and Previous: NICMOS Data Calibration and . ... CALNICB Processing . ... Combining NUMITER Images . ... The Space Telescope Science Institute (STScI) data reduction and calibration pipeline for the Near-Infrared Camera and Multi-Object Spectrometer (NICMOS) is composed of two major tasks, CALNICA and CALNICB. ... NICMOS, calibration, pipeline, software . ... CALNICB combines images into mosaics and also removes background signal from the images. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node9.html -- 27.5 Кб -- 12.06.2006
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114. Conference Pictures
. Next: Participants Up: Front Cover Previous: Preface . . Figure 1: Conference Participants . . Figure 2: Some of the participants enjoying the relaxed Mediterranean atmosphere . Norbert Pirzkal . 1998-07-09
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Ссылки http://www.stecf.org/conferences/sardinia/node2.html -- 3.5 Кб -- 12.06.2006
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115. The Stellar Population in the NICMOS Parallel Fields
Next: The Evolution of Stars Up: NICMOS Science Previous: A Coronagraphic Search for . ... The NICMOS Parallel program . ... The Stellar Population . ... NICMOS Camera 3 is being used in parallel mode to observe galactic fields at both high and low galactic latitudes. ... Most of the fields are at high galactic latitude; as Figure 1 shows, only 8 pointings are within |b| = 10 o , i.e. the galactic disk. Figure 1: NICMOS parallel fields distribution in galactic latitude. ... Figure 6 ). ...
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Ссылки http://www.stecf.org/conferences/sardinia/node21.html -- 18.2 Кб -- 12.06.2006
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116. The Evolution of Stars seen with ISOCAM - the Need for NICMOS and VLT Follow...
Next: Unusual Emission near a Up: NICMOS Science Previous: The Stellar Population in . ... Three examples are presented of how ISOCAM 1 sees the process of stellar evolution. i) Standard staring and coronographic observations with ISOCAM towards BD+31 643 are presented. ... Position 4 is closest to the star; Position 6 coincides roughly with the minimum of emission seen in the images; position 7 with the ring. ... I presented three examples of the evolution of stars as seen with ISOCAM. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node22.html -- 26.3 Кб -- 12.06.2006
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117. The Photometric Performance of the NICMOS Grisms
Next: ST-ECF Grism Spectrum Software Up: NICMOS Data Calibration and Previous: Photometric Performance of NICMOS . ... Wavelength Calibration of NICMOS Grisms . ... This article describes the wavelength and throughput calibration of the grisms and discusses the photometric performance of the NICMOS grism mode. ... The resolution of the first order spectra on all grisms is about 200 per pixel. ... Spectra were extracted for bright objects with both first and second order spectra on single grism images. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node12.html -- 21.2 Кб -- 12.06.2006
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118. NICMOS Software at the University of Arizona
Next: STScI NICMOS Software Up: NICMOS Data Calibration and Previous: Some Experiments with the . ... Programs Available . ... Display . ... E. Stobie, D. Lytle, I. Barg, and A. Ferro NICMOS Project, University of Arizona, Tucson, AZ 85721, E-mail: bstobie@as.arizona.edu . The NICMOS Software Group at the University of Arizona has built a number of software tools for processing NICMOS data. ... NICMOS, PSF subtraction, image registration, image deconvolution, polarimetry data reduction . ...
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Ссылки http://www.stecf.org/conferences/sardinia/node16.html -- 26.0 Кб -- 12.06.2006
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119. HST-NICMOS Observations of Galactic Bulges: Red Nuclei in Nearby Galaxies
... Dust in Nuclei of Galactic Bulges . ... WFPC2 of 20 nuclei of nearby galactic bulges of types S0-Sbc. ... Bulges of spiral galaxies are generally seen as small elliptical galaxies in the center of a large spiral. ... Here we show first results of a color study of the centers of galactic bulges. ... With these three bands we can make the red I - H color, primarily sensitive to extinction by dust and old stellar population gradients, and the B - I color, especially sensitive to recent star formation. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node30.html -- 26.7 Кб -- 12.06.2006
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120. Design and Status of the NICMOS Cryocooler
... Expected NICMOS Performance after HST Servicing Mission 3 . NICMOS Cooling System Design . ... NASA is developing the NICMOS Cooling System (NCS) to provide operation of NICMOS beyond the exhaustion of its stored solid nitrogen cryogen. ... The NCS combines an external radiator identical in design to the ACS/STIS Aft Shroud Cooling System (ASCS) planned for SM3, a Creare, Inc. reverse-Brayton cycle turbine cooler, and an EVA installed neon loop to the NICMOS dewar's cooling coil. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node38.html -- 20.9 Кб -- 12.06.2006
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